From 6513946cbbb0b06a9d764900a6db8ff88578f65c Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Wed, 8 Mar 2000 23:42:58 +0000 Subject: [PATCH] Extend #ifdef CLOBBER_FREED_MEMORY debugging option so that memory freed wholesale by AllocSetReset() is overwritten too. --- src/backend/utils/mmgr/aset.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/mmgr/aset.c b/src/backend/utils/mmgr/aset.c index afc6da38eb..5220ec2d41 100644 --- a/src/backend/utils/mmgr/aset.c +++ b/src/backend/utils/mmgr/aset.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.24 2000/01/31 04:35:53 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.25 2000/03/08 23:42:58 tgl Exp $ * * NOTE: * This is a new (Feb. 05, 1999) implementation of the allocation set @@ -173,6 +173,10 @@ AllocSetReset(AllocSet set) while (block != NULL) { next = block->next; +#ifdef CLOBBER_FREED_MEMORY + /* Wipe freed memory for debugging purposes */ + memset(block, 0x7F, ((char *) block->endptr) - ((char *) block)); +#endif free(block); block = next; } @@ -419,6 +423,10 @@ AllocSetFree(AllocSet set, AllocPointer pointer) set->blocks = block->next; else prevblock->next = block->next; +#ifdef CLOBBER_FREED_MEMORY + /* Wipe freed memory for debugging purposes */ + memset(block, 0x7F, ((char *) block->endptr) - ((char *) block)); +#endif free(block); } else